JPEXS Free Flash Decompiler is an Open Source Flash SWF decompiler and editor. Extract resources, convert SWF to FLA, edit ActionScript, replace images, sounds, texts, and fonts. Various output formats are available.

JPEXS Free Flash Decompiler Features:

● Exporting scripts, images, shapes, movies, sounds, fonts.
● SWF to FLA conversion
● SWF to XML export and import again
● Various output formats like SVG or HTML5 Canvas
● Displaying ActionScript source code.
● Experimental direct editing of ActionScript source
● Editing via assembler source
● Integrated ActionScript debugger - step, breakpoints, set variables
● Both ActionScript 1/2 and AS3 support
● Clicking decompiled source highlights P-code-associated instruction and vice-versa.
● Replacing images, editing texts, fonts, and other tags
● Displaying SWF resources (shapes, sprites, fonts, buttons)
● Editation of instance metadata
● Hexadecimal dump view with color highlighting also available
● Built-in proxy server for editing SWF files that come through it
● Java-based code which supports multiple platforms
● Multilanguage support (see language list)
● Can decompile some kinds of obfuscated code too.
● Open SWF files are hidden in loaders (AS3, Windows)
● GFX Scaleform and Iggy 64 files support